Session fixation vulnerability in Calimero.CMS 3.3.1232 and earlier allows remote attackers to hijack web sessions by setting the PHPSESSID parameter.
Conclusion & alert: CVE-2007-3053 is rated Moderate Risk (54.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.40%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.03% | 1.40% | +0.37% |
| 2 | 2026-01-23 | 0.66% | 1.03% | +0.37% |
| 3 | 2025-08-21 | — | 0.66% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| calimero.cms | calimero.cms | <= 3.3.1232 | cpe:2.3:a:calimero.cms:calimero.cms:*:*:*:*:*:*:*:* |